My two Deviantart galleries (first one is for Digimon fanart and 2nd is for general stuff)
noki001.deviantart.com/gallery…soihtuss.deviantart.com/galler…
As for pet game art, I have done greyscales (meaning the lights and shadows, not the sketch or the colors) for a site called Horse Reality, some examples being:
http://horse-reality.wikia.com/wiki/Kladruber_horse, http://horse-reality.wikia.com/wiki/Mustang_horse, http://horse-reality.wikia.com/wiki/Norman_Cob, http://horse-reality.wikia.com/wiki/Oldenburg_horse, http://horse-reality.wikia.com/wiki/Trakehner_horse
Feel free to message me and ask about anything